Manufacture of artificial stone



QDWM 85 6,

106. COMPOSITIONS,

COATING OR PLASTIC.

UNITED STATES PATENT OFFICE.

STEPHEI\ TRON-G, OF AVOGA, ILLINOIS MANUFACTURE OF ARTIFICIAL STONE.

SPECIFICATION forming part of Letters Patent No. 254,247, dated February 28, 1882.

Application filed January 3, 1882. (No specimens.) 7

To all whom it may concern:

Be it known that l, STEPHEN TRONC, of Avoca, in the county of Livingston and State of Illinois, have invented certain new and useful Improvements in the Manufacture of Artificial Stone; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it pertains to to make and use the same.

My invention relates to an improvement in the manufacture of artificial stone; and itconsists of a composition of certain ingredients combined in such a manner as to produce, when combined with pure silicious sand orgravel and Portland or other suitable cement, a hard crystallized material which is impervious to moisture, adapted to withstand the changes in any climate, and is nnalfected by fire,thereby renderiug it particularly applicable for buildings, sidewalks, monuments, and other purposessuch, for instance, as dams, cisterns, foundations for houses, cellar-floors, welltubing, drains, sewer-pipe, &c., and for all purposes for which the best quality of natural stone is employed.

To enable others to understand and use my invention, I will describe the manner in which I liave carried it out. 1 H b take about five POllllt s of r 'eour a out two pounds of Geo. T. Lewiss ii'mcombination of caustic soda and soda-ash or other suitable lye, an a on salt. The flour is first made into a thin cold paste, which is then placed over ajyfi and brought up to the boiling-point. The sa and lye are then dissolved in w t r which latter is then added to the flour. The above compound is then thoroughly commingled and enough 40 water added thereto to make forty gallons of solution.

en pOllll SO OOllllllOIl The manner of applyingmy above solution to form artificial stone is as follows: About eight parts of pure silicious sand or ravel and about one part of Portland or other suita- Die cement are ll] nna y llJiXGt oge er, an enoug 1o ebefore-described solution is added to reduce the whole to a thick paste, or tothe consistency required for molding. The compound is then tamped or molded in the ordi- 5o nary manner, and forms, when dry, an extremely hard and durable material, its particles adhering so tenacionsly together as to form a stone well adapted for the numerous purposes before referred to.

I would have it understood that I do not limit myself to the exact proportions of the ingredients before described, but consider myself at liberty to combine them in any suitable proportion that will produce the desired result.

Having fully described my invention, what I claim as new, and desire to secure by Letters Patent, is

1. The herein-described solution, consisting of water, ry e-flour, Lewisls or any other lye, and comi n'ofisalt, coiiibined in suitable pro portio'n, fortli'epurpose of producing the crystallization of the artificial stone, as specified.

2. An artificial stone composed of sand and cement moistened with a solution composed of water, rye-flour, Lewiss or any-suitable lye, and common salt, substantially as set forth.

In testimony whereof I have signed this specification in the presence of two subscribing witnesses.

STEPHEN TRONU.

Witnesses L. J. STERLING, W. H. VAN DooRN. 

